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Micronucleus distribution in human peripheral blood lymphocytes treated in vitro with cadmium chloride in G0 and S phase of the cell cycle.

Authors
  • 1
Type
Published Article
Journal
Chemosphere
0045-6535
Publisher
Elsevier
Publication Date
Volume
49
Issue
1
Pages
91–95
Identifiers
PMID: 12243335
Source
Medline

Abstract

Cadmium chloride (CdCl2 x H2O) in concentrations 10(-3) - 10(-6) M was tested for genotoxicity in human lymphocytes in vitro. The DNA damage was expressed through the occurrence of micronuclei (MN) and was detected using the cytochalasin-B-blocked MN assay. Human blood was treated in the G0 and S phase of the cell cycle. All except the highest concentration of cadmium chloride of 10(-3) M applied in the G0 phase of the cell cycle resulted in the increase in MN cells, but it was not statistically significant. Cadmium chloride added to the cultures in the concentration of 10(-3) M affected the cell growth regardless of the phase. Cadmium chloride added to cultures 24 h after their initiation (early S phase) was found to significantly increase the MN frequency in 10(-4) - 10(-6) M concentrations (P > 0.05).

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